Krajangchom, Sansanee, and Korawan Sangkakorn. “Behaviors and Needs of Thai and Foreign Wellness Tourists in Upper North of Thailand”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 40, no. 1 (March 27, 2020): 57–76. Accessed February 4, 2023. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/219616.